Celestial Navigation

Looking for Celestial_Navigation_Pi(the plugin for Opencpn)?

Application: Astronavigation

Identification of celestial bodies.
Nautical Almanac, including sun and moon phenomena.
Sights: correction of the observed altitude and calculation of line of position (type of LoP: Marcq Saint Hilaire).
Celestial Fix. GPX file output that serves as an input to OpenCPN. Complete solution: fix, circles of position, confidence ellipse.

The Running Fix problem is easily solved using Astronavigation.exe
animated gif Direct link to download

Circles of position or Circles of equal altitude. General scale.

Fix and confidence ellipse. Coastal scale.

Pack overview Direct link to download
Software is available for free, for non-commercial use, at: http://sites.google.com/site/navigationalalgorithms/ (Only for Windows®)
Plotting circles of equal altitude: Method explained